CVE-2020-3810
Publication date 12 May 2020
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| apt | 20.04 LTS focal | 
                              
                               
                                Fixed 2.0.2ubuntu0.1 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 18.04 LTS bionic | 
                              
                               
                                Fixed 1.6.12ubuntu0.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Fixed 1.2.32ubuntu0.1 
                                
                               
                             |      
                          
                            
                          
                        
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| 14.04 LTS trusty | 
                              
                               
                                Fixed 1.0.1ubuntu2.24+esm1 
                                
                                   
                             |      
                          
                            
                          
                        
                      
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| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Local | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | Required | 
| Scope | Unchanged | 
| Confidentiality | None | 
| Integrity impact | None | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-4359-1
 - APT vulnerability
 - 14 May 2020
 - USN-4359-2
 - APT vulnerability
 - 28 May 2020